Linux Kernel net/tls/tls_sw.c tls_is_tx_ready information disclosure

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.4 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Linux Kernel and classified as problematic. This issue affects the function tls_is_tx_ready of the file net/tls/tls_sw.c. Performing a manipulation results in information disclosure.
This vulnerability is cataloged as CVE-2023-1075. There is no exploit available.
It is recommended to apply a patch to fix this issue.
Details
A vulnerability was found in Linux Kernel (Operating System) (the affected version unknown). It has been classified as problematic. This affects the function tls_is_tx_ready of the file net/tls/tls_sw.c. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality.
The weakness was shared 03/18/2023. It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2023-1075 since 02/27/2023. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.
The vulnerability scanner Nessus provides a plugin with the ID 216275 (NewStart CGSL MAIN 6.06 : kernel Vulnerability (NS-SA-2025-0011)), which helps to determine the existence of the flaw in a target environment.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.
The vulnerability is also documented in the databases at Tenable (216275) and CERT Bund (WID-SEC-2024-1086). Be aware that VulDB is the high quality source for vulnerability data.
Affected
- SUSE Linux
- IBM QRadar SIEM
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.4VulDB Meta Temp Score: 3.3
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 3.3
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 216275
Nessus Name: NewStart CGSL MAIN 6.06 : kernel Vulnerability (NS-SA-2025-0011)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: git.kernel.org
Timeline
02/27/2023 🔍03/18/2023 🔍
03/18/2023 🔍
10/17/2025 🔍
Sources
Vendor: kernel.orgAdvisory: bugzilla.redhat.com
Status: Confirmed
CVE: CVE-2023-1075 (🔍)
GCVE (CVE): GCVE-0-2023-1075
GCVE (VulDB): GCVE-100-223359
CERT Bund: WID-SEC-2024-1086 - IBM QRadar SIEM: Mehrere Schwachstellen
Entry
Created: 03/18/2023 08:43Updated: 10/17/2025 08:57
Changes: 03/18/2023 08:43 (40), 04/11/2023 15:36 (1), 04/11/2023 15:41 (10), 02/15/2025 00:46 (17), 10/17/2025 08:57 (7)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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